// JavaScript Document

function echeck(str) 
	{
		var at="@";
		var dot=".";
		var lat=str.indexOf(at);
		var lstr=str.length;
		var ldot=str.indexOf(dot);
		if (str.indexOf(at)==-1){
		   alert("Invalid E-mail ID");
		   return false;
		}

		if (str.indexOf(at)==-1 || str.indexOf(at)==0 || str.indexOf(at)==lstr){
		   alert("Invalid E-mail ID");
		   return false;
		}

		if (str.indexOf(dot)==-1 || str.indexOf(dot)==0 || str.indexOf(dot)==lstr){
		    alert("Invalid E-mail ID");
		    return false;
		}

		 if (str.indexOf(at,(lat+1))!=-1){
		    alert("Invalid E-mail ID");
		    return false;
		 }

		 if (str.substring(lat-1,lat)==dot || str.substring(lat+1,lat+2)==dot){
		    alert("Invalid E-mail ID");
		    return false;
		 }

		 if (str.indexOf(dot,(lat+2))==-1){
		    alert("Invalid E-mail ID");
		    return false;
		 }
		
		 if (str.indexOf(" ")!=-1){
		    alert("Invalid E-mail ID");
		    return false;
		 }

 		 return true;					
	}
	
	function Enq_Validate()
	{
		var frm = document.enquary;		
		var emailID=document.enquary.email;
		
		if (frm.Mr.value == "")
		{
			alert("Please enter your Title.");
			frm.Mr.focus();
			return false;
		}
		if (frm.firstname.value == "")
		{
			alert("Please enter your name.");
			frm.firstname.focus();
			return false;
		}
		if (frm.tel.value == "")
		{
			alert("Please enter your tel no.");
			frm.tel.focus();
			return false;
		}
	    if((emailID.value==null)||(emailID.value==""))
		{
			alert("Please Enter Email ID");
			emailID.focus();
			return false;
		}
		if (echeck(emailID.value)==false)
		{
			emailID.value="";
			emailID.focus();
			return false;
		}
		if (frm.enquiry.value == "")
		{
			alert("Please enter your Message/Enquary.");
			frm.enquiry.focus();
			return false;
		}
		return true;
	}
	
	function tell_Validate()
	{
		var frm = document.tellafriend;		
		var emailID=document.tellafriend.fEmail;
		var xemailID=document.tellafriend.yEmail;
		
		if((emailID.value==null)||(emailID.value==""))
		{
			alert("Please enter your friend's email id.");
			emailID.focus();
			return false;
		}
		if (echeck(emailID.value)==false)
		{
			emailID.value="";
			emailID.focus();
			return false;
		}
		if((xemailID.value==null)||(xemailID.value==""))
		{
			alert("Please enter your email id.");
			xemailID.focus();
			return false;
		}
		if (echeck(xemailID.value)==false)
		{
			xemailID.value="";
			xemailID.focus();
			return false;
		}
		
		if (frm.yMessage.value == "")
		{
			alert("Please enter your Message.");
			frm.yMessage.focus();
			return false;
		}
		return true;
	}